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Earth Walls and Flexible Spaces in a Sustainable Microhome Community

Earth Walls and Flexible Spaces in a Sustainable Microhome Community
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Constructed with earth walls and modular partitions, this microhome emphasizes flexibility and sustainability, fostering community interactions within its compact living environment.
5 key facts about this project
01
Integrates earth walls using the Tierra Vertida technique for enhanced thermal insulation.
02
Features adjustable openings to optimize natural light and airflow.
03
Incorporates a graywater filtration system for sustainable water management.
04
Utilizes a modular design with movable partitions for customizable living spaces.
05
Central communal fireplace acts as the focal point for social interactions.

### Overview

The Storytelling House, developed for a microhome competition, exemplifies an architectural approach that emphasizes community engagement, environmental sustainability, and adaptability. Located in a context where cultural narratives are integral to social interaction, the design seeks to create spaces that facilitate shared experiences through storytelling. The project focuses on the integration of functional areas that promote both privacy and communal connection.

### Spatial Configuration

The layout of the Storytelling House is organized into three distinct zones: a private area comprising a bedroom and bathroom, a central zone that serves as a multifunctional space for kitchen, workspace, and living activities, and adaptable areas defined by movable partitions. This arrangement allows residents to customize their environment based on immediate needs, promoting social interaction while respecting individual privacy. The central area is characterized by a communal fireplace that serves as a focal point for gathering, reinforcing the building's intent to foster connections among inhabitants.

### Materiality and Sustainability

The material selection for the Storytelling House reflects a commitment to sustainability and environmental accountability. Structures utilize earth walls constructed with the "Tierra Vertida" technique, providing an effective insulator while minimizing ecological impact. The roof features Kingspan QuadCore LED insulated panels designed for thermal efficiency and capabilities suitable for an off-grid lifestyle, including rainwater collection. Additional elements such as plywood flooring made from Pinus wood, visible metal beams for support, strategically placed windows, and solar panels enhance both functionality and energy independence. Furthermore, a graywater filtration system is integrated into the design, contributing to water conservation efforts.

In summary, the Storytelling House champions a design ethos centered on community-oriented living and sustainable practices, demonstrating a forward-thinking approach to contemporary residential architecture.

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Buildner's Unbuilt Award 2025
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The Buildner’s Unbuilt Award 2025: Celebrating Architectural Creativity and Visionary Unbuilt Designs with a Total Prize Fund of €100,000

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Competition organisers

The Buildner’s Unbuilt Award 2025 is an international architecture competition dedicated to recognizing and celebrating the value of unrealized architectural designs. It invites architects, designers, and students worldwide to submit visionary projects that have not yet been constructed, highlighting the power of ideas and the creativity behind the design process. By focusing on unbuilt work, the competition aims to bring forward concepts that shape the future of architecture and push the boundaries of the profession. 

Participants can compete in three categories based on project scale: Small Wonders (up to 100 m²), Medium Marvels (101–999 m²), and Large Visions (over 1,000 m²). Each category winner will receive €20,000, and additional prizes include honorable mentions, student awards, and a special Best Presentation Award. Winning projects will gain significant international exposure through Buildner’s publicity campaign and a feature article on ArchDaily, providing a unique opportunity to showcase creative ideas to a global audience. 

The Buildner’s Unbuilt Award 2025 encourages entrants to submit any type of unbuilt project, from conceptual visions to detailed designs, celebrating bold innovation without the constraints of realization. Important deadlines: registration closes on October 30, 2025; submissions are due by November 20, 2025; winners will be announced on December 17, 2025.

Buildner's Unbuilt Award 2025

Celebrating your unbuilt architecture visions with a €100,000 prize

100,000€ Prize / 2025 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 30 October 2025

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